<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>演示HTML5全局属性</title>
	<script>
		window.document.designMode = 'off';
	</script>
</head>
<body>
	<form data-type="comment" class="container">
		<h3>留言板</h3>
		<label hidden>你看不见我</label>
		<p>
			<label>
				<span>姓名</span>
				<input tabindex="1">
			</label>
		</p>
		<p>
			<label>
				<span>邮件</span>
				<input tabindex="3">
			</label>
		</p>
		<p>
			<label>
				<span>留言</span>
				<textarea tabindex="2" spellcheck="true"></textarea>
			</label>
		</p>
		<p contenteditable="true">我可以在网页上直接被编辑</p>
	</form>
</body>
</html>